IMS CX70: The first Push and Talk capable mobile phone from Siemens

IMS CX70: The first Push and Talk capable mobile phone from Siemens


Last update: 18-08-04	Submitted by ahbao
Views: 5034	Home Mobile Phones Siemens

Overview

Push and Talk Chart

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With the introduction of the CX 70, Siemens mobile is the world's first manufacturer to offer an end-to-end solution for "Push and Talk" (PaT) based on open specifications. The service features walkie-talkie functionality over mobile networks and makes group calling easier and faster than ever before. As the first Voice-over-IP application, Push and Talk is based on the IP Multimedia Subsystem (IMS), the technology platform for many future multimedia services.

Technical Profile

•
• Volume: 80 cm³
• Weight: 90 g
• Standby time*: up to 300 h (standard battery)
• Talk time*: up to 330 min. (standard battery)
• Battery: Li-Ion 750 mAh
• Charging time: < 2 h for 100%
• Antenna: integrated
• Display: 132 x 176, 65k colours, 9 lines
• Camera: Integrated VGA video camera (up to 12f/s)
5x digital Zoom
• Storage: up to 9,5 MB
• Connectivity: USB, IrDA, serial

System / Standards

•
• EGSM (GSM Phase 2 / Phase 2+)
• GPRS Multislot Class 10, Coding scheme 1-4*
• Vocoders FR, HR, EFR, AMR

Data Services

•
• Data services (CSD) up to 14.4 kbps & GPRS
(up to 53,6 kbps)
• Data Download OTA via SMS or WAP
• MMS 1.2
• E-mail supporting SMTP, POP3, IMAP4

Features

•
Convenient 3D download assistant (animated character)
• Push and Talk (PaT) available on customer demand
• Video playing and recording
• Photo applications (album, editor)
• SMS/MMS, SMS to group
• Unified Inbox
• E-mail Client
• Polyphonic 40-chord ringtones
• Attachable Flash with red eye reduction for integrated camera
• Extended range of CLIPit Covers Premium Covers
• Internet access WAP2.0
• Preinstalled 3D java games

This is how Push and Talk works:

the user selects the people he or she wants to talk to from a list. At the push of a button, all of these previously defined addressees receive an invitation which they can accept or decline.
As soon as the calling partners have confirmed, the initial caller pushes the PaT button and starts the conversation, which everyone hears simultaneously. There is no time-consuming call setup, because the "Always On" feature of the GPRS network maintains the connection all along.
Any group member can reply by pressing the PaT button. The communication can only go in one direction at a time, however: whoever presses the PaT button first, talks first.

Push and Talk is therefore similar to traditional voice radio, although the new service can do much more. Since it runs over mobile networks, it can be used anywhere, even internationally. And PaT calls can be heard only by the registered members of a group call — a clear benefit in terms of security.

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